Ozonizing and compressing process.



U. S. BRADLEY. OZONIZING AND COMPRBSSING PROCESS.

AIILIOATION FILED 13110.4, 1905,

Patented June 27, 1911.

2 SHEETS-SFTEET 1.

WIT/VESSES A TTOHNEVS G S.BRADLEY. OZONIZING AND COMPRESSING PROCESS.

APPLICATION FILED DEC. 4, 1905. 0 .9

2 SHEETS-SHEET 2.

WITNESSES 4 TUBA/E78 Patented June 27, 1911.

UNITED STATES PATE T orrion.

' one RLES s; BRADLEY, or NEW YORK, N. Y., AssIenoR T0 RICHARD B.WILSON, or

NEW YORK, N. Y.

'OZONIZING AND COMPRESSING- PROCESS.

Specification of Letters Patent. Patented June 27, 1911.

Original application filed June 19, 1905, Serial No. 265,920. Dividedand this application filed December 4.

1905. Serial No. 290,182.

To all whom it may concern:

Be it known that I, CHARLES S. BRADLEY, a citizen of the United States,and a resident of the borough of Manhattan, city and county and State ofNew York, have invented new. and useful Improvements in ()zonizing andCompressing Processes, {of

paring the air for ozonization.

My improved process will best be under-- stood from a description of anapparatus for carrying out the process, and I shall accordingly describesuch an apparatus.

In my system I have combined a series of individual devices forperforming the several features of the process each peculiarlyv adaptedto its work in combination with the others so that the entire system orapparatus comprises a combination of elements, all cooperating toproduce the desired result, and each one assisting the other in additionto doing its own work.

In order to avoid the necessity of purlfying too large a quantity ofair,- I have arranged and operate my improved apparatus in such a mannerthat the same air, or at least the greater portion of the same air, isused over and over again, only so much new air being admitted into thesystem at each cycle as Will supply the required amount of oxygen tomake up for the ozone which has been removed during the cycle by theoxidation of the carbonaceous impurities in the water being treated.

In general, my system may be describedas (-on'iprising a water tower inwhich ozonizcd air is isothermally compressed by and comes into intimatecontact with the water being treated; a separating chamber in which theair and ozone, together with the cm'bon-dioxid and other obnoxious gasesare allowed to rise from the water; a lime chamher or tower into whichthe gases rising from the separating chamber are discharged and throughwhich they pass and wherein the carbon-dioxid is removed from the air; acompressed air engine suitably connected with the compressed air comingoff of the lime tower and operated by the expansion of said air wherebythe air is allowed to do work ,upon an operating shaft and' is thus.

cooled and dried; and finally, the ozone producing apparatus into whichthe air thus cooled and dried is allowed to pass for the purpose ofhavingitsoxygen converted into tures, my system comprises a suitableinlet for laddltional air which, as above mentioned, I supply-to theapparatus at each casting 11 through thich' the water to be treatedenters and into which a plurality of air jet tubes 12 penetrate. Theseair jet tubes 12 receive the ozonized air from a surrounding receptacle13, which is supplied with ozonized air in a manner hereinafter to bedescribed. The column 10 may be about 30 feet in depth, though I do notwish to limit my apparatus to the use of a water column of any givenlength. Water passes down the tower 10 and arrives at the bottom in aseparating chamber 14 which, as clearly shown, forms an enlargement ofthe water tower and has a dome-shaped roof. From here the water passeson upwardly through the discharge water tower 15 which may be of anysuitable height, somewhat less ozone. In additlon to. these generalfeathan that ofthe water tower 10 and which air from the receptacle 13in small bubbles tom of the column,-the pressure of the air has beenraised perhaps three-quarters of an atmosphere. The heating of the gasdue 15.10 the iucreaseof pressure is almost entirely counter-balanced bythe fact that the water being such a good absorbent, and having such ahigh specific heat, as compared with the air, and being in such intimatemixture with the air, immediatelycarries oil". In other words, thecompression is isothermal. When the water and ozonized air reach thefrom the "air the heat of compression.

chamber let it is obvious that as the water is now travelinghorizontally and has, for the tune being, no vertlcal travel, the gasWlll rise from the water and collect under the dome-shaped roof of theseparating chamber 14. This gas will probably consist mostly ofair,together with a small quantity of-remaining ozone, a slight amount ofmoisture and carbon-dioxid resulting from the oxidation of thecarbonaceous impurities. Therefore to suitably remove the undesirableportions of the gas, I lead the composite gas,

, which is now under raised pressure, through the vertical tube 16opengng through the dmvnwardly turned neck 17 into the lime tower 18.The lime tower 18 has at top and bottom respectively, manholes 19 and 20for inserting and removing the lime with which the tower is filled andalso has at the bottom a water draw-oft faucet 21 to remove the waterwhich collects in the bottom of this tower. The composite gas in passingthrough the lime chamber is deprived of its acid constituent,carbon-dioxid, and what little moisture is present, and the gas whichnow consists probably only of air, with a trace of remaining ozone,together with whatex'cr moisture may be presentin.it,

, passes out at the top through the pipe 22.

The air, which it should be remembered, is still under compression, isnow delivered to the compressed air engine which is suitably connectedby piston rod 24, link 25 and crank 26 with the work shaft 27 which maybe allowed to operate some part of the complete apparatus, such forinstance, as the dynamo. The compressed air in doing work upon the shaft27 loses its pressure and is cooled, also losing its moisture. Thus theairis cooled and dried and is then in excdlent condition for having itsoxygen converted to ozone.

It is well known that ozone cannot exist at high temperatures, and thatthe production of ozone generally speaking, varies as the temperature.It isther'efore advisable to have the air before its entrance into theo'zonizer cooled so that the resulting temperature will not be so highas to seriously affect, the yield of ozone. It is furthermore" ducer 30.Thisozone producer comprises in general two glass plates or disks 31 and32 on the backs of which areplaced sheets of tinfoil 33 and 3 Lwhich'serve as electrodes and to which are attached wires 35and 36suitably insulated from the casing of the ozone producer at 37 and 38and connected withthe secondary 39 of the transformer.

.The primary coil 40-of the transformer 'is supplied with currentthrough the wires41 and 42, suitablyconnected, to the brush pieces 1-3and d l -of the alternator 45. The

alternator 45' should be'capable of givinga current of great frequencyand high voltage.

The specific construction of the ozone producing circuit, however,doesnot form a part of the present invention. It will be seen that theair which has been cooled and dried and renewed passes from the pipe28through the space between the glass plates 31 and and finds its onlyescape by the tube 46 which extends, around and opens into thereceptacle 13, already described. Asthe water passesdown through thecasting'll, it creates a reduced pressure in the receptable 13, therebycausing a circulation of the air enriched with the ozone through thepipe 46 from the ozone producer 30.

In some instances, it will be found that the water requires a muchgreater amount of ozone to produce the desired sterilization andin.these cases the apparatus will comprise the general system shown inFig. 2.

As illustrated, the system here comprises a series of water towers 10,10', 10, similar to the above described water tower 10. Any suitablenumber may be used as the particular case demands. 'I have shown onlythree. These water towers are connected in series by the outlet towers15 15", and 15, the water towers 10 10",, and 10,being provided at theirtops with ozonized air receptacles 13, 13 and 13, into which lead thepipes 4 6 456 and 46, connected in parallel from the main-ozonized airpipe 46. Each series has a corresponding separating. chamber 14, 14 and14-", from which lead the Y pipes 16", 16 and 16 which discharge intothe main take-off The pipe 16 discharges the gas from all the towersinto a common lime tower 18,. he same as that shown in i Fig. l, andfrom this the take-oti' pipe 1 discharges the gas into the coin 'n'essedair engine as in the illustration shown in Fig. 1. From here theapparatus is the same as that shown in Fig.1 and already described.

It will be seen from the above that each part of the system not onlyperforms its o wn particular work, but also does something towardhelping the other elements to do their work. For instance, the mixingtower 10 also assists the air cooling means, be-} cause it compressesthe air and thus putsit j in the condition in which the air-cooling}means, 210., the compressed air engine, can

work its effect upon it.

Having thus described my lnvention, the

following is what I claim as new therein and desire to secure by LettersPatent:

1. The herein described process of ozonizing, which consists inintroducing ozone into a liquid to be sterilized, and permitting theozone to remain in contact with the liquid under conditions whichincrease the pressure of the ozone.

2. The herein described process of ozomzing, which consists inozonifying a gas, in-

troducing the ozonified gas into the liquid to be sterilized, permittingthe gasto remain in contact with the liquid under conditions whichincrease the" pressure of the gas, sep arating the unabsorbed gas fromthe liquid, drying the separated gas, and reozonifying the gas.

3. The herein described process ofozonizing, which consists: inozonifying the gas, in troducing the ozonified gas into the liquid whichis to be sterilized, permitting the gas to remain in contact with theliquid under conditions which increase the pressure of the gas,separating the unabsorbed gas from the liquid, cooling the gas, andreozonifying the gas.

.4. The herein described process of ozonizing, which consists inozonifying the gas, introducing the gas into the liquid which is to besterilized, permitting the gas to remain in contact with the liquidunder conditions which compress the gas, separating the unabsorbed gasfrom the liquid, cooling and drying the gas and reozonifying the gas.

5. The herein described process of ozonizing, which consists inozonifying the 'gas,.

drawing the ozonized gas into the liquid to be sterilized by the suctionaction'ot' the liquid, permitting the gas to remain in, contact with theliquid under conditions which increase the pressure of the gas,separating the unabsorbed gas from the liquid, drying the gas thusseparated, and returning the gas to the ozonifier.

6. The herein described process of ozoniz- .ing, which consists inozonifying the gas,

.maln in contact with the liquid under conditions which increasethepressureof the gas, separating the unabsorbed gas from the liquid,cooling the gas thus separated and returning the gas to the ozonifier.

7. The herein described process of ozonizing, which consists inozonifying the gas, drawing the ozonified gas into the liquid to besterilized by the suction action of the liquid, permitting the ozonifiedgas to remain in contact with the liquid under conditions which increasethe pressure of the gas, separating the unabsorbed gas from the liquid,cooling and drying the gas thus separated, and returning the gas to theozonitier.

8. The herein described process of ozonizing, which consists inintroducing ozone into the upper portion of a downwardly moving body ofliquid to be sterilized, and permitting the ozone to be carrieddownwardly with the liquid and remain in contact therewith, whereby itspressure is increased.

9. The hereinalescrib ed processof ozonizing, which consists inozonifying the gas, introducing the ozonified gas into the upper portionof a downwardly moving body of liquid to be sterilized, permitting thegas to remain in contact with and be carried downwardly .by the liquid,whereby the pressure of the gas is increased, separating the unabsorbedgas from the liquid, drying the separated gas, and reozonifying the gas.

10; The herein described process of ozonizing, which consists inozonifying a gas,- introducing the ozonified gas into the upper portionof the downwardly moving body of liquid to be sterilized, permitting thegas to remain in contact with and be carried downwardly by the body ofliquid, whereby the pressure of the-gas is increased, separating theunabsorbed gas from the liquid, cooling the gas and reozonifying thegas.

- 11. The. herein described process of ozonizing, which consists inozonifying a gas, introducing the gas into the upper portion of adownwardly moving body of liquid to be sterilized, permitting the gas toremain in contact with and be carried downwardly by the liquid, wherebythe gas is compressed, separating the unabsorbed gas from the liquid,cooling and drying the gas and reozonifying the gas.

' 12. The herein described process of ozonizing, which consists inozonifying the gas, drawing the ozonified gas into the upper portion ofa downwardly moving body of liquid to be sterilized, by the suctionaction of the liquid, permitting the gas to remain in contactwithand becarried downwardly by the liquid, whereby the gas is compressed,separating the unabsorbed gas from the liquid, iirying the gasthusseparated,

I and returning the gas to the ozonifier,

13. The herein'described process of ozon- ,izi-ng which-consistsinozonifyimnthe gas drawing the ozonified T1 as into t e upper portion-ofa downward y moving body of liquid to be sterilized, by the suctionaction of the liquid, permitting the ozonified gas to remain in contactwith and be carried downwardlybythe body of liquid, whereby Z, thegas'is compressed, separating the unabsorbed gas from the liquid,cooling, the gas thus separated and returning the gas to the ozonifier.

' downwardly by the liquid, whereby the gas is ,cornpressed, separatingthe unabsorbed gas from the liquid, cooling and drying the gas thusseparated, and returning the gas to the ozonifier.

15. The herein described process of ozonizing, which consists inozonifying the gas,

introducing the ozonified gas into the upper portion of a downwardlymoving body ofliquid, permitting the gas to remain 1n contactwith and becarried downwardly by -the liquid, whereby the-gas is isothermallycompressed, separating the gas under compression from the liquid,adiabatically expanding the gas and returning the gas thus expanded tothe ozonifier.

' 16. The herein described process of ozonizing, which consists inozonifying a gas, introducing the gas into the upper portion of adownwardly moving body of liquid to be sterilized by the suction actionof the liquid, permitting'the gas to remain in contact with and becarried downwardly by the liquid, whereby the gas is isothermallycompressed, separating the gas under compression from the. liquid,removing carbon dioxid from the separated gas, adiabatically expandingthe gas and reozonizing the as. v

17. The herein described process of ozonizing, which consists inozonifying the gas,

introducing the ozonified gas into the upper portion of a downwardlymoving body of liquid to be sterilized by the suction action of theliquid, permitting the gas to remain in contact with and be carrieddownwardly by the body of liquid, whereby the gas is isothermallycompressed, separating the gas under compression from the liquid,removing the carbon dioxid from the gas, adiabatically expanding thegas, adding a relatively small quantity of fresh gas to the old gas, andreozonifying the gas.

18. The process of sterilizing liquids,

liquid, expanding the gas which consists in mingling a sterilizing gaswith the liquid to be sterilized under a gradually increasing pressure,separating the gas from the liquid, expanding the gas to cool it toassist in its regeneration, and regenerating the sterilizing gas.

19. The process of sterilizing liquids,

' which consistsin ozonizing a gas, mixing the gas with the liquid insuch manner as to sterilize the liquid and compress the gas, expandingthe gas, and then reozonizing it.

20. The process of sterilizing liquids, which consistsin ozonizing agas, mixing the gas with the liquid in such manner as to sterilize theliquid and compress the gas, separating the compressed gas from thesterilized liquid, purifying the compressed gas,

expanding the compressed gas to cool it, and

reozonizing the cooled gas.

21. The process of sterilizing liquids,

, which consists in ozonizing a gas, mixing the gas with the liquidinsuch manner as to sterilize the liquid and isothermally compress thegas, separating the gas from the to cool it, and reozonizing the gas.

22. The process of sterilizing liquids, which. consists in ozonizing agas, inter.- mingling the gas .with the liquid to be sterilized undergradual isothermal compression, removing the gas, expanding it toassistin its reozonization, and reozonizing the gas. 23.The process ofsterilizing liquids, which consists in ozonizing a gas, interminglingthegas with the liquid to be sterilized under gradual isothermalcompression, separating the gas from the liquid, expanding it to assistin its reozonization', adding a small amount of new gas thereto, andreozonizing the-gas.

24. The herein described process for sterilizing, which consists inemploying ozonized gas for the sterilizing under conditions whichcompress the gas, expanding the gas thus compressed, reozonizing thegasthus expanded, and again employing the gas for the sterilizing.

25. The herein described process for sterr ilizing, which consists inemploying ozonized gas for sterilizing under conditions which compressthe ga s, expanding the gas thus compressed, reozonizing the gas thusexpanded together with an additional supply of fresh gas, and againemploying the re ozonized gas, together with. the ozonized fresh gas"For the sterilizing.

26. The herein described process for sterilizing, which consists inemploying ozonized gas for the sterilizing under conditions whichcompress -the gas isothermally, expamling adiabatically the gasthns,isothermally compressed, rcozonizing the thus expanded and againemploying the reozon- 0 ized gas for the sterilizing I l 27. The hereindescribed process for sterfresh gas, and again employing thereozonilizing, which consists in employing ozonized izegl, gas togetherwith the ozonizecl fresh gas for the sterilizing under conditions gasfor the sterilizing.

which i'sothermally compress the gas, ex- CHARLES S. BRADLEY.

"paildirig adiabatica'llythe gas thus isother- Witnesses:

mally cbmpizessed, reozonizing the gas thus Nib-E. KNIGHT, expandedtogether with a new supply of v O. KNIGHT.

